APA-ийн эшлэл(7 дахь хэвлэлт)

Whitman, T. S. (1997). The price of freedom: Slavery and manumission in Baltimore and early national Maryland. The University Press of Kentucky.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Whitman, T. Stephen. The Price of Freedom: Slavery and Manumission in Baltimore and Early National Maryland. Lexington, Kentucky: The University Press of Kentucky, 1997.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Whitman, T. Stephen. The Price of Freedom: Slavery and Manumission in Baltimore and Early National Maryland. The University Press of Kentucky, 1997.